Reactions of hydrogen peroxide vapor dissociated in a microwave plasma

Journal Article · Mon Jun 01 00:00:00 EDT 1981 · Plasma Chem. Plasma Process.; (United States)

DOI:https://doi.org/10.1007/BF00564580· OSTI ID:6938661

Venugopalan, M; Shih, A L

Analysis of the plasma emission from a low-pressure microwave cavity discharge through flowing hydrogen peroxide vapor showed that both H and OH were produced in proportions which varied with the applied power. When the dissociated vapor was condensed at 195 K only water was obtained; at 77K, H/sub 2/O/sub 2/ and H/sub 2/O/sub 4/ were also obtained. Their formation could not be increased by increasing the H atom or OH radical concentration in the plasma. When the reaction time of the dissociated vapor between the plasma exit and the cold surface was increased, the arate of H/sub 2/O/sub 2/ formation increased mostly at the expense of water formation. It appears that, as in the case of the reaction of H with O/sub 2/, the rate of H/sub 2/O/sub 2/ formation is dependent on the concentration of O/sub 2/ produced in the spatial afterglow by the gas-phase reactions of the hydroxyl radicals.

• Research Organization: Chemistry Department, Western Illinois University, Macomb, Illinois 61455
• OSTI ID: 6938661
• Journal Information: Plasma Chem. Plasma Process.; (United States), Journal Name: Plasma Chem. Plasma Process.; (United States) Vol. 1:2; ISSN PCPPD
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
CHEMICAL REACTION KINETICS
CHEMISTRY
ELECTRIC DISCHARGES
FLUIDS
GASES
HIGH-FREQUENCY DISCHARGES
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
KINETICS
LOW PRESSURE
OXYGEN COMPOUNDS
PEROXIDES
PLASMA
REACTION KINETICS
VAPORS